Question about 1998 Ford Windstar

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99 Ford windstar 3.8 v6 Battery light on . output on battery is 14.7 vdc at idle

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Start the Van, and with the engine running, take the Negative Cable off the Batttery and see what happens. This Battery Light on could be an indication that the Alternator is beginning to fail.
If the engine dies, then the alternator is bad.
At higher RPM's does the Battery Light go out?
This would be another indication that the alternator is failing.
How are the belts? Are they worn or slipping?
Take a reading coming off the alternator with the engine is running.
Let me know if this helped, or if you have additional informations or questions. Feel free to contact me at FixYa.com!

Posted on Feb 02, 2010

  • Patrick Rayome Feb 02, 2010

    The Alternator is rated at 130-amps.

    So be careful while doing this

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Posted on Jan 02, 2017

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98 windstar keeps dying


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